421644717

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1801}}^1$

素因数の和:1875

約数の個数: 64

約数和(自身を含む): 726566400

約数和(自身を除く): 304921683

約数列:

[1, 3, 9, 13, 23, 27, 29, 39, 69, 87, 117, 207, 261, 299, 351, 377, 621, 667, 783, 897, 1131, 1801, 2001, 2691, 3393, 5403, 6003, 8073, 8671, 10179, 16209, 18009, 23413, 26013, 41423, 48627, 52229, 70239, 78039, 124269, 156687, 210717, 234117, 372807, 470061, 538499, 632151, 678977, 1118421, 1201267, 1410183, 1615497, 2036931, 3603801, 4846491, 6110793, 10811403, 14539473, 15616471, 18332379, 32434209, 46849413, 140548239, 421644717]

約数ペア:

[(1, 421644717), (3, 140548239), (9, 46849413), (13, 32434209), (23, 18332379), (27, 15616471), (29, 14539473), (39, 10811403), (69, 6110793), (87, 4846491), (117, 3603801), (207, 2036931), (261, 1615497), (299, 1410183), (351, 1201267), (377, 1118421), (621, 678977), (667, 632151), (783, 538499), (897, 470061), (1131, 372807), (1801, 234117), (2001, 210717), (2691, 156687), (3393, 124269), (5403, 78039), (6003, 70239), (8073, 52229), (8671, 48627), (10179, 41423), (16209, 26013), (18009, 23413)]